SB2018031414 - Heap-based buffer overflow in curl (Alpine package)
Published: March 14, 2018
Security Bulletin ID
SB2018031414
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2018-1000120)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to heap-based buffer overflow. A remote attacker that can control the paths that curl uses for FTP can create specially crafted path names containing the control characters '%00', trigger memory corruption and execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=06d873c35d45649783f1d3393b35034356679424
- https://git.alpinelinux.org/aports/commit/?id=7d31ed74e2b6d74352c9a6f3ab2110c402a28f3a
- https://git.alpinelinux.org/aports/commit/?id=edd0ff244c02b47646e66a1bc5737c6dadee86a5
- https://git.alpinelinux.org/aports/commit/?id=f58c96201b3afe219bd0ba4e66ace7f03452ed29